.building-ui{--build-ink: #27404d;--build-muted: #6e818b;--build-paper: #fffdf7;--build-sky: #e9f5f8;--build-line: #d9e8e9;--build-teal: #287f7e;--build-coral: #d96f54;--build-yellow: #f2c96d;color:var(--build-ink);font-family:var(--font-kinder, "Andika"),sans-serif}.building-activity{box-sizing:border-box;height:100%;min-height:0;min-width:0;flex:1 1 0%;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:radial-gradient(ellipse at 12% 0%,rgba(242,201,109,.18),transparent 27rem),linear-gradient(180deg,#f1f8f8,#f8f7ef);padding:clamp(8px,2vw,18px);padding-bottom:max(22px,env(safe-area-inset-bottom,0px))}.building-shell{width:min(100%,1020px);margin:0 auto}.building-topbar,.building-panel,.building-editor-card{background:var(--build-paper);border:1px solid var(--build-line);border-radius:22px;box-shadow:0 5px 16px #27404d0e}.building-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 18px;margin-bottom:14px}.building-kicker{color:var(--build-teal);font-size:.76rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.building-heading{margin:2px 0 0;font-size:clamp(1.3rem,3vw,1.8rem);font-weight:800;line-height:1.18}.building-count{flex:0 0 auto;color:var(--build-muted);font-size:.9rem;font-weight:700}.building-progress{display:grid;grid-template-columns:repeat(20,minmax(4px,1fr));gap:4px;width:min(100%,330px);margin-top:8px}.building-progress span{height:6px;border-radius:6px;background:#e4ecec}.building-progress span.is-done{background:var(--build-teal)}.building-progress span.is-current{background:var(--build-yellow)}.building-panel{min-height:420px;padding:clamp(18px,4vw,34px)}.building-workspace{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(250px,.95fr);gap:clamp(18px,4vw,42px);align-items:center}.building-workspace--single{display:flex;flex-direction:column;gap:10px;align-items:stretch;max-width:760px;margin:0 auto}.building-workspace--single .building-prompt{min-height:auto}.building-activity .building-panel{min-height:0;padding:clamp(12px,2vw,22px)}.building-activity .building-prompt{position:relative}.building-activity .building-subtext{margin-top:0;margin-bottom:8px}.building-hint-flash{position:absolute;z-index:5;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;margin:0!important;background:#fff8de;font-size:clamp(1.7rem,6vw,2.5rem)}.building-status{position:sticky;bottom:0;z-index:4;background:var(--build-paper);padding-bottom:max(8px,env(safe-area-inset-bottom,0px))}.building-audio-error{color:#a34d38;font-weight:700}.word-building-board{display:flex;width:100%;flex-direction:column;align-items:center;gap:12px;font-family:var(--font-kinder, "Andika"),sans-serif}.word-building-title{margin:0;color:#27404d;font-size:clamp(1.35rem,3vw,1.8rem);font-weight:900;text-align:center}.word-building-help{margin:-6px 0 0;color:#6e818b;text-align:center;font-weight:700}.word-building-answer{display:flex;width:min(100%,640px);min-height:76px;align-items:center;justify-content:center;flex-wrap:wrap;gap:7px;padding:12px;border:3px solid #b9d8dd;border-radius:18px;background:#f2f9fa}.word-building-answer.is-correct{border-color:#72b7a4;background:#eff9f4}.word-building-answer.is-wrong{border-color:#e9a08a;background:#fff5f0}.word-building-empty{color:#8da0a6;font-size:1rem;font-weight:700}.word-building-character{color:#287f7e;font-size:clamp(2.1rem,7vw,3rem);font-weight:900;line-height:1}.word-building-character.is-correct{color:#328450}.word-building-character.is-wrong{color:#cf5b4a}.word-building-answer-tile{min-width:44px;min-height:44px;padding:5px 10px;border:1px solid #d6e3df;border-bottom:4px solid #bfd3ce;border-radius:12px;background:#fffaf0;color:#27404d;font:inherit;font-size:1.35rem;font-weight:800;cursor:pointer}.word-building-answer-tile:disabled{opacity:.65;cursor:default}.word-building-keyboard{width:100%;max-width:560px;overflow:hidden}.word-building-actions{display:flex;justify-content:center;align-items:center;gap:12px;flex-wrap:wrap}.word-building-text-action,.word-building-submit{min-height:42px;border:0;border-radius:999px;padding:9px 18px;font:inherit;font-weight:800;cursor:pointer}.word-building-text-action{background:#f0f4f3;color:#52666f}.word-building-submit{background:#287f7e;color:#fff}.word-building-message{margin:0;color:#667d88;text-align:center;font-weight:800}.word-building-message.is-correct{color:#328450}.word-building-message.is-wrong{color:#cf5b4a}.building-prompt{display:flex;min-height:210px;flex-direction:column;align-items:center;justify-content:center;text-align:center}.building-image-button{width:min(100%,270px);height:205px;padding:7px;border:0;border-radius:25px;background:#edf6f4;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}.building-image-button:hover{transform:translateY(-2px);box-shadow:0 8px 20px #27404d1f}.building-image-button img{width:100%;height:100%;border-radius:19px;-o-object-fit:contain;object-fit:contain}.building-image-placeholder{display:grid;width:min(100%,270px);height:205px;place-items:center;border-radius:25px;background:repeating-linear-gradient(135deg,#edf6f4 0,#edf6f4 13px,#e6f0ef 13px,#e6f0ef 26px);color:var(--build-teal)}.building-image-placeholder svg{width:48px;height:48px}.building-instruction{margin:18px 0 5px;font-size:clamp(1.2rem,2.8vw,1.65rem);font-weight:800}.building-subtext{margin:0;color:var(--build-muted);font-size:.95rem}.building-selected{display:flex;min-height:92px;flex-wrap:wrap;align-content:center;justify-content:center;gap:8px;padding:14px;border:2px dashed #c6dedd;border-radius:19px;background:#f6fbf9}.building-selected.is-correct{border-style:solid;border-color:#72b7a4;background:#eff9f4}.building-selected.is-wrong{border-color:#e9a08a;background:#fff5f0}.building-selected-empty{color:#8da0a6;font-size:.95rem}.building-tile{display:inline-flex;min-width:52px;min-height:54px;align-items:center;justify-content:center;padding:7px 13px;border:1px solid #d6e3df;border-bottom:4px solid #bfd3ce;border-radius:14px;background:#fff;color:var(--build-ink);font-family:inherit;font-size:1.4rem;font-weight:800;line-height:1;cursor:pointer;transition:transform .16s ease,border-color .16s ease,background .16s ease}.building-tile:hover:not(:disabled){transform:translateY(-2px);border-color:var(--build-teal)}.building-tile:focus-visible,.building-button:focus-visible,.building-link:focus-visible,.building-input:focus-visible,.building-textarea:focus-visible,.building-select:focus-visible{outline:3px solid #e2ae47;outline-offset:2px}.building-tile:disabled{cursor:default;opacity:.55}.building-tile--selected{min-width:48px;min-height:48px;background:#fffaf0}.building-tile--choice{min-width:64px;min-height:64px;font-size:1.55rem}.building-tile-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:20px auto 0;max-width:580px}.building-controls{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px}.building-button,.building-link{display:inline-flex;min-height:46px;align-items:center;justify-content:center;gap:8px;padding:10px 17px;border:1px solid transparent;border-radius:14px;font:inherit;font-size:.98rem;font-weight:800;text-decoration:none;cursor:pointer;transition:transform .16s ease,background .16s ease,opacity .16s ease}.building-button:hover:not(:disabled),.building-link:hover{transform:translateY(-1px)}.building-button:disabled{cursor:not-allowed;opacity:.52}.building-button svg,.building-link svg{width:19px;height:19px}.building-button--primary{background:var(--build-teal);color:#fff}.building-button--primary:hover:not(:disabled){background:#206e6d}.building-button--soft{border-color:#d7e5e3;background:#f1f7f5;color:var(--build-ink)}.building-button--listen{border-color:#eedda9;background:#fff8e5;color:#80601b}.building-link{color:var(--build-teal)}.building-feedback{margin:15px auto 0;max-width:580px;padding:12px 15px;border-radius:14px;background:#f0f7f4;color:#276d5b;font-weight:700;text-align:center}.building-feedback.is-error{background:#fff1ec;color:#a34d38}.building-notice{margin:14px auto 0;max-width:650px;padding:12px 15px;border-radius:14px;background:#fff5e1;color:#775a20;font-weight:700}.building-result{display:grid;min-height:365px;place-content:center;text-align:center}.building-result-mark{display:grid;width:78px;height:78px;place-items:center;margin:0 auto 12px;border-radius:24px;background:#e5f4ed;color:var(--build-teal)}.building-result-mark svg{width:38px;height:38px}.building-result h2{margin:0;font-size:clamp(1.65rem,5vw,2.3rem)}.building-result p{max-width:510px;margin:10px auto 20px;color:var(--build-muted);font-size:1rem}.building-editor{min-height:100dvh;background:radial-gradient(ellipse at 82% -5%,rgba(242,201,109,.22),transparent 28rem),#f2f7f5;padding:22px clamp(14px,3vw,30px) 50px}.building-editor-header{width:min(100%,1020px);display:flex;align-items:center;gap:15px;margin:0 auto 20px}.building-editor-header h1{margin:2px 0 0;font-size:clamp(1.45rem,4vw,2rem)}.building-editor-header p{margin:3px 0 0;color:var(--build-muted)}.building-editor-body{width:min(100%,1020px);margin:0 auto}.building-editor-card{margin-bottom:14px;padding:clamp(16px,3vw,24px)}.building-card-title{margin:0 0 5px;font-size:1.22rem;font-weight:800}.building-card-help{margin:0 0 15px;color:var(--build-muted);font-size:.92rem}.building-form-label{display:block;margin:12px 0 6px;font-size:.9rem;font-weight:800}.building-input,.building-textarea,.building-select{width:100%;border:1px solid #ccddda;border-radius:12px;background:#fff;color:var(--build-ink);font:inherit;font-size:.96rem}.building-input,.building-select{min-height:45px;padding:9px 12px}.building-textarea{min-height:110px;padding:11px 12px;resize:vertical}.building-select{max-width:620px}.building-editor-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.building-list-box{padding:14px;border:1px solid var(--build-line);border-radius:16px;background:#fbfdf9}.building-list-box h3{margin:0;font-size:1rem}.building-list-box p{min-height:42px;margin:4px 0 9px;color:var(--build-muted);font-size:.82rem}.building-list-box .building-textarea{min-height:115px}.building-phrase-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(170px,.9fr) auto;align-items:end;gap:12px;margin-top:12px;padding:14px;border:1px solid var(--build-line);border-radius:16px;background:#fbfdf9}.building-image-preview{display:flex;min-height:75px;align-items:center;gap:12px;margin-top:9px;color:var(--build-muted);font-size:.86rem}.building-image-preview img{width:76px;height:68px;border:1px solid var(--build-line);border-radius:12px;background:#fff;-o-object-fit:contain;object-fit:contain}.building-availability{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}.building-chip{display:inline-flex;align-items:center;padding:5px 9px;border:1px solid #d3e5dd;border-radius:999px;background:#eff7f2;color:#426a58;font-size:.83rem;font-weight:700}.building-savebar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.building-save-state{color:var(--build-muted);font-size:.9rem;font-weight:700}.building-save-state.is-error{color:#a34d38}.building-spin{animation:building-rotate .9s linear infinite}@keyframes building-rotate{to{transform:rotate(360deg)}}.building-skeleton{height:15px;margin:10px 0;border-radius:10px;background:#e9f0ee;animation:building-shimmer 1.4s ease-in-out infinite}@keyframes building-shimmer{50%{opacity:.52}}@media (max-width: 700px){.building-workspace{grid-template-columns:1fr;gap:12px}.building-workspace--single{display:flex;gap:18px}.building-workspace--single .building-prompt{min-height:0}.building-panel{min-height:unset}.building-prompt{min-height:0}.building-image-button,.building-image-placeholder{height:160px;width:min(100%,235px)}.building-instruction{margin-top:12px}.building-editor-grid{grid-template-columns:1fr}.building-list-box p{min-height:0}.building-phrase-row{grid-template-columns:1fr}.building-topbar{padding:12px}.building-progress{width:min(100%,240px)}}@media (prefers-reduced-motion: reduce){.building-ui *,.building-ui *:before,.building-ui *:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}